[CentOS] How to Increase Swap Memory in Centos 4.4?

[Rodrigo Barbosa]

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On Wed, Apr 04, 2007 at 04:44:21PM +0100, Luciano Miguel Ferreira Rocha wrote:
> On Wed, Apr 04, 2007 at 12:26:49PM -0300, Rodrigo Barbosa wrote:
> > On Tue, Apr 03, 2007 at 04:48:05PM -0300, Antonio da Silva Martins Junior wrote:
> > >   Well, on old unix systems (Solaris, AIX), if you didn't have swap at 
> > > least the double of RAM you can't use all your RAM. 
> > > 
> > >   But, back then 64Mb RAM was a lot of RAM.
> > 
> > Can't use all RAM ? Are you sure about that ?
> 
> On OLD systems, yes. You'd be limited by swap, not ram.

Well, I really can't say how things were before AIX 3. So if you are
talking about AIX 1 or 2, I'll just rest my peace.

> > I clearly remember (Linxu and AIX on this one) that if you had more than
> > double, you would not use all your SWAP. RAM is always accessible ...
> 
> That always depends on the workload, but I prefer to have processes
> being killed by OOM instead of having the machine thrashing about. So I
> usually don't use more than 1GB.

Oh, but that is what we have today. Today neither limits apply. Only
common sense, which is what you are saying (OOM vs thrashing).


- -- 
Rodrigo Barbosa
"Quid quid Latine dictum sit, altum viditur"
"Be excellent to each other ..." - Bill & Ted (Wyld Stallyns)

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